# CVE-2026-7310: Memory corruption in MACH HiDraw

> An authenticated local attacker can trigger a heap-based buffer overflow in HiDraw via a crafted XML file, leading to arbitrary code execution or denial of service.

- **Severity:** Medium 4.4 (`CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 26 May 2026
- **Updated:** 26 May 2026
- **Also known as:** GHSA-jj2v-35pf-65rw

## What is CVE-2026-7310?

CVE-2026-7310 is a medium-severity memory corruption vulnerability in Hitachi Energy MACH HiDraw, published on 26 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

A heap-based buffer overflow vulnerability exists in XML
parser functionality in the HiDraw. An authenticated
malicious user with local access can exploit this
vulnerability using a specially crafted XML file which may
lead to memory corruption and potential arbitrary code
execution. Successful exploitation could result in
application crashes (denial of service) and compromise the
confidentiality and integrity of the affected system.

Weakness: CWE-122 (Heap-based Buffer Overflow)

## Which versions are affected by CVE-2026-7310?


## How do I fix CVE-2026-7310?

No fix has been published for CVE-2026-7310 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7310 being exploited?

There is no known exploitation of CVE-2026-7310 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7310 and fix it if it is affected.

What it is: CVE-2026-7310 is a medium-severity memory corruption vulnerability in Hitachi Energy MACH HiDraw, published on 26 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-7310 in the wild and no public exploit code.

Affected product: Hitachi Energy MACH HiDraw. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-7310/ (Markdown: https://insights.sbomify.com/CVE-2026-7310/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7310
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7310
- OSV: https://osv.dev/vulnerability/CVE-2026-7310

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-7310/
Summaries are generated and may contain mistakes; the official description above is the record.